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Dive into the research topics where Jens Bachmann is active.

Publication


Featured researches published by Jens Bachmann.


world of wireless, mobile and multimedia networks | 2006

TCP over rate-adaptive WLAN-an analytical model and its simulative verification

Carsten Burmeister; Ulrich Killat; Jens Bachmann

The performance of TCP flows over rate-adaptive wireless LAN (WLAN) is investigated. Therefore, an analytical model of WLAN from our previous work is enhanced to include multiple TCP down-link flows. Modelling TCPs flow and congestion control over rate adaptive WLAN required to solve an M/G/1/B queueing system and a set of non-linear equations. The results are verified with simulations and show that the main performance influencing parameters are the locations of the users and of course the number of these. We show for several scenarios the TCP throughput that users can expect


wireless mobile applications and services on wlan hotspots | 2005

An analytical model of rate-adaptive wireless LAN and its simulative verification

Carsten Burmeister; Ulrich Killat; Jens Bachmann

We develop an analytical model of rate adaptive Wireless LAN and downlink traffic flows to randomly located users in the range of an access point. We first calculate the service time distribution of packets being served by the access point. Then, we show that the location of each user determines the throughput that all other users may achieve. Finally we verify our findings with simulations.


Archive | 2011

GROUP-BASED PAGING FOR MACHINE-TYPE-COMMUNICATION (MTC) DEVICES

Jens Bachmann; Genadi Velev; Shinkichi Ikeda; Takahisa Aoyama


Archive | 2004

Context transfer in a communication network comprising plural heterogeneous access networks

Jens Bachmann; Alexander Bourgett


Archive | 2009

Non-3gpp to 3gpp network handover optimizations

Jens Bachmann; Shinkichi Ikeda; Kilian Weniger; Takashi Aramaki


Archive | 2012

SHORT MESSAGE TRANSMISSION AND HANDOVER PROCEDURES

Genadi Velev; Jens Bachmann; Shinkichi Ikeda


Archive | 2006

Enabling simultaneous use of home network and foreign network by a multihomed mobile node

Jens Bachmann; Kilian Weniger; Rolf Hakenberg


Archive | 2010

Communication system and apparatus for status dependent mobile services

Chan Wah Ng; Hong Cheng; Shinkichi Ikeda; Takahisa Aoyama; Jens Bachmann; Sampath Swaroop Kumar; Terufumi Takada; Pek Yew Tan


Archive | 2007

Mobility management in communication networks

Jens Bachmann; Kilian Weniger


Archive | 2009

Optimization of handovers to untrusted non-3GPP networks

Jens Bachmann; Genadi Velev; Shinkichi Ikeda; Jun Hirano

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